The National Weather Service says the chance of heavy rain in San Antonio will jump sharply later this week, bringing a heightened risk of flooding and gusty winds.
Key points
- Rain chances rise from 25% on Wednesday to 70% on Thursday and 50% on Friday, according to the NWS.
- Heavy rain could cause localized flooding; wind gusts may reach 20 mph on Friday.
- A broader South Central Texas rain band is expected mid‑week, with the highest odds over the Rio Grande Plains and southern Edwards Plateau.
The National Weather Service (NWS) Austin/San Antonio office has raised the probability of rain for the San Antonio metro area, warning that heavy showers could lead to localized flooding as the week progresses.
On Wednesday, Oct. 28, the forecast shows a 25% chance of rain, with showers and possible thunderstorms after 1 p.m. on Thursday near downtown San Antonio and a 70% rain probability for that day overall.
Mid‑week rain chances climb
Friday’s outlook calls for a 50% chance of showers and thunderstorms, most likely before 1 p.m., with daytime highs near 78 °F, wind gusts up to 20 mph, and a calm evening thereafter.
Meteorologists note that the broader South Central Texas region will see a “wide blanket of rain” mid‑week, with a 50% or higher chance of precipitation across the area, especially over the Rio Grande Plains and southern Edwards Plateau.
Potential flooding and wind gusts
Residents are advised to monitor updates from the NWS and local officials, as isolated heavy rain could produce flash‑flood conditions, particularly in low‑lying parts of the metro and surrounding counties.
Reader questions
When is the highest chance of rain in San Antonio this week?
The NWS forecasts the highest probability of rain on Thursday, with a 70% chance of showers and thunderstorms.
What flood risks are associated with the forecast?
Heavy rain could produce flash‑flooding in low‑lying areas and neighborhoods prone to runoff, especially if storms develop quickly.
How should residents prepare for the expected weather?
Monitor NWS updates, avoid driving through flooded roads, secure outdoor items that could be affected by gusty winds, and stay informed about any local emergency advisories.
Source: mysanantonio.com